./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/loops/sum_array-2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a31fd051 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loops/sum_array-2-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0cf9175e436d0e00a51b884dabf87739d3176e3315a908e56fcba99730a10796 --- Real Ultimate output --- This is Ultimate 0.2.2-?-a31fd05 [2023-02-15 14:02:55,270 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 14:02:55,272 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 14:02:55,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 14:02:55,304 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 14:02:55,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 14:02:55,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 14:02:55,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 14:02:55,314 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 14:02:55,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 14:02:55,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 14:02:55,321 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 14:02:55,321 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 14:02:55,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 14:02:55,322 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 14:02:55,323 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 14:02:55,324 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 14:02:55,324 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 14:02:55,325 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 14:02:55,327 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 14:02:55,328 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 14:02:55,329 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 14:02:55,329 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 14:02:55,330 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 14:02:55,333 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 14:02:55,336 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 14:02:55,336 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 14:02:55,337 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 14:02:55,338 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 14:02:55,339 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 14:02:55,340 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 14:02:55,341 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 14:02:55,342 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 14:02:55,343 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 14:02:55,344 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 14:02:55,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 14:02:55,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 14:02:55,345 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 14:02:55,345 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 14:02:55,346 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 14:02:55,347 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 14:02:55,348 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-02-15 14:02:55,382 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 14:02:55,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 14:02:55,383 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 14:02:55,383 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 14:02:55,384 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 14:02:55,384 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 14:02:55,385 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 14:02:55,385 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 14:02:55,385 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 14:02:55,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 14:02:55,386 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-15 14:02:55,387 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-15 14:02:55,387 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 14:02:55,387 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-15 14:02:55,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 14:02:55,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-15 14:02:55,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 14:02:55,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-15 14:02:55,388 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-15 14:02:55,389 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-15 14:02:55,389 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-15 14:02:55,389 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 14:02:55,389 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-15 14:02:55,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 14:02:55,390 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 14:02:55,390 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 14:02:55,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 14:02:55,390 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 14:02:55,391 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 14:02:55,391 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-15 14:02:55,392 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 14:02:55,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-15 14:02:55,392 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 14:02:55,392 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-15 14:02:55,393 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 14:02:55,393 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 14:02:55,393 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 14:02:55,393 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cf9175e436d0e00a51b884dabf87739d3176e3315a908e56fcba99730a10796 [2023-02-15 14:02:55,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 14:02:55,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 14:02:55,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 14:02:55,640 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 14:02:55,641 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 14:02:55,641 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/sum_array-2-2.i [2023-02-15 14:02:56,792 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 14:02:56,948 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 14:02:56,948 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/sum_array-2-2.i [2023-02-15 14:02:56,953 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bbb4e5ea/fa82b31e7b1b47cbb1e4646c70f72391/FLAGb0c6ce909 [2023-02-15 14:02:56,964 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bbb4e5ea/fa82b31e7b1b47cbb1e4646c70f72391 [2023-02-15 14:02:56,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 14:02:56,967 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 14:02:56,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 14:02:56,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 14:02:56,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 14:02:56,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 02:02:56" (1/1) ... [2023-02-15 14:02:56,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e3bc28b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:02:56, skipping insertion in model container [2023-02-15 14:02:56,973 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 02:02:56" (1/1) ... [2023-02-15 14:02:56,978 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 14:02:56,994 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 14:02:57,114 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/sum_array-2-2.i[940,953] [2023-02-15 14:02:57,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 14:02:57,138 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 14:02:57,146 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/sum_array-2-2.i[940,953] [2023-02-15 14:02:57,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 14:02:57,167 INFO L208 MainTranslator]: Completed translation [2023-02-15 14:02:57,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:02:57 WrapperNode [2023-02-15 14:02:57,168 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 14:02:57,169 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 14:02:57,169 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 14:02:57,169 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 14:02:57,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:02:57" (1/1) ... [2023-02-15 14:02:57,190 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:02:57" (1/1) ... [2023-02-15 14:02:57,209 INFO L138 Inliner]: procedures = 18, calls = 37, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 132 [2023-02-15 14:02:57,210 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 14:02:57,210 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 14:02:57,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 14:02:57,211 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 14:02:57,218 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:02:57" (1/1) ... [2023-02-15 14:02:57,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:02:57" (1/1) ... [2023-02-15 14:02:57,234 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:02:57" (1/1) ... [2023-02-15 14:02:57,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:02:57" (1/1) ... [2023-02-15 14:02:57,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:02:57" (1/1) ... [2023-02-15 14:02:57,251 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:02:57" (1/1) ... [2023-02-15 14:02:57,252 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:02:57" (1/1) ... [2023-02-15 14:02:57,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:02:57" (1/1) ... [2023-02-15 14:02:57,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 14:02:57,255 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 14:02:57,255 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 14:02:57,256 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 14:02:57,256 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:02:57" (1/1) ... [2023-02-15 14:02:57,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 14:02:57,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 14:02:57,288 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-02-15 14:02:57,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-02-15 14:02:57,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-15 14:02:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-15 14:02:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-02-15 14:02:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-02-15 14:02:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 14:02:57,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 14:02:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-02-15 14:02:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-02-15 14:02:57,391 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 14:02:57,392 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 14:02:57,562 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 14:02:57,567 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 14:02:57,567 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2023-02-15 14:02:57,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 02:02:57 BoogieIcfgContainer [2023-02-15 14:02:57,569 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 14:02:57,571 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-15 14:02:57,571 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-15 14:02:57,573 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-15 14:02:57,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 02:02:56" (1/3) ... [2023-02-15 14:02:57,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a3d3443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 02:02:57, skipping insertion in model container [2023-02-15 14:02:57,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:02:57" (2/3) ... [2023-02-15 14:02:57,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a3d3443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 02:02:57, skipping insertion in model container [2023-02-15 14:02:57,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 02:02:57" (3/3) ... [2023-02-15 14:02:57,576 INFO L112 eAbstractionObserver]: Analyzing ICFG sum_array-2-2.i [2023-02-15 14:02:57,589 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-15 14:02:57,589 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-02-15 14:02:57,622 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-15 14:02:57,628 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6e04fc2d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-15 14:02:57,628 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-02-15 14:02:57,632 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 28 states have (on average 1.6428571428571428) internal successors, (46), 32 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 14:02:57,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-15 14:02:57,636 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 14:02:57,636 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 14:02:57,637 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-15 14:02:57,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 14:02:57,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1313663593, now seen corresponding path program 1 times [2023-02-15 14:02:57,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 14:02:57,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532866717] [2023-02-15 14:02:57,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 14:02:57,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 14:02:57,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 14:02:58,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 14:02:58,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 14:02:58,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532866717] [2023-02-15 14:02:58,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532866717] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 14:02:58,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 14:02:58,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-15 14:02:58,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323425625] [2023-02-15 14:02:58,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 14:02:58,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-15 14:02:58,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 14:02:58,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-15 14:02:58,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-15 14:02:58,126 INFO L87 Difference]: Start difference. First operand has 33 states, 28 states have (on average 1.6428571428571428) internal successors, (46), 32 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 14:02:58,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 14:02:58,287 INFO L93 Difference]: Finished difference Result 95 states and 133 transitions. [2023-02-15 14:02:58,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 14:02:58,290 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-02-15 14:02:58,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 14:02:58,298 INFO L225 Difference]: With dead ends: 95 [2023-02-15 14:02:58,298 INFO L226 Difference]: Without dead ends: 50 [2023-02-15 14:02:58,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-15 14:02:58,307 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 39 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 14:02:58,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 94 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 14:02:58,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-02-15 14:02:58,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 31. [2023-02-15 14:02:58,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 30 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 14:02:58,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 34 transitions. [2023-02-15 14:02:58,330 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 34 transitions. Word has length 9 [2023-02-15 14:02:58,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 14:02:58,331 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 34 transitions. [2023-02-15 14:02:58,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 14:02:58,331 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2023-02-15 14:02:58,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-02-15 14:02:58,332 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 14:02:58,332 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 14:02:58,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-15 14:02:58,332 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-15 14:02:58,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 14:02:58,333 INFO L85 PathProgramCache]: Analyzing trace with hash -322250057, now seen corresponding path program 1 times [2023-02-15 14:02:58,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 14:02:58,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926614756] [2023-02-15 14:02:58,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 14:02:58,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 14:02:58,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 14:03:00,187 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 14:03:00,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 14:03:00,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926614756] [2023-02-15 14:03:00,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926614756] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 14:03:00,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1142897073] [2023-02-15 14:03:00,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 14:03:00,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 14:03:00,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 14:03:00,195 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 14:03:00,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-15 14:03:00,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 14:03:00,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 25 conjunts are in the unsatisfiable core [2023-02-15 14:03:00,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 14:03:00,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-02-15 14:03:00,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 45 [2023-02-15 14:03:00,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2023-02-15 14:03:00,381 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 14:03:00,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 57 [2023-02-15 14:03:00,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2023-02-15 14:03:00,503 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 14:03:00,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2023-02-15 14:03:00,652 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 14:03:00,652 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 14:03:03,308 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-15 14:03:03,309 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 115 treesize of output 117 [2023-02-15 14:03:03,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2023-02-15 14:03:03,543 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:03:03,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 64 [2023-02-15 14:03:03,581 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2023-02-15 14:03:03,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2023-02-15 14:03:03,604 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:03:03,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2023-02-15 14:03:03,618 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:03:03,620 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:03:03,624 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:03:03,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 14:03:03,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1142897073] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 14:03:03,672 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 14:03:03,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 11] total 30 [2023-02-15 14:03:03,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964098837] [2023-02-15 14:03:03,673 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 14:03:03,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-02-15 14:03:03,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 14:03:03,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-02-15 14:03:03,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=769, Unknown=1, NotChecked=0, Total=930 [2023-02-15 14:03:03,676 INFO L87 Difference]: Start difference. First operand 31 states and 34 transitions. Second operand has 31 states, 30 states have (on average 1.5666666666666667) internal successors, (47), 31 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 14:03:08,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 14:03:08,343 INFO L93 Difference]: Finished difference Result 102 states and 112 transitions. [2023-02-15 14:03:08,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-02-15 14:03:08,343 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 1.5666666666666667) internal successors, (47), 31 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2023-02-15 14:03:08,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 14:03:08,345 INFO L225 Difference]: With dead ends: 102 [2023-02-15 14:03:08,345 INFO L226 Difference]: Without dead ends: 101 [2023-02-15 14:03:08,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 984 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=812, Invalid=3219, Unknown=1, NotChecked=0, Total=4032 [2023-02-15 14:03:08,347 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 204 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-02-15 14:03:08,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 221 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-02-15 14:03:08,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-02-15 14:03:08,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 48. [2023-02-15 14:03:08,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 44 states have (on average 1.2272727272727273) internal successors, (54), 47 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 14:03:08,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 54 transitions. [2023-02-15 14:03:08,357 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 54 transitions. Word has length 17 [2023-02-15 14:03:08,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 14:03:08,357 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 54 transitions. [2023-02-15 14:03:08,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 1.5666666666666667) internal successors, (47), 31 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 14:03:08,358 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 54 transitions. [2023-02-15 14:03:08,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-02-15 14:03:08,358 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 14:03:08,358 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 14:03:08,366 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-02-15 14:03:08,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 14:03:08,567 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-15 14:03:08,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 14:03:08,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1399817078, now seen corresponding path program 1 times [2023-02-15 14:03:08,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 14:03:08,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833909145] [2023-02-15 14:03:08,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 14:03:08,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 14:03:08,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 14:03:09,629 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 14:03:09,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 14:03:09,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833909145] [2023-02-15 14:03:09,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833909145] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 14:03:09,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [510297834] [2023-02-15 14:03:09,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 14:03:09,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 14:03:09,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 14:03:09,632 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 14:03:09,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-15 14:03:09,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 14:03:09,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 25 conjunts are in the unsatisfiable core [2023-02-15 14:03:09,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 14:03:09,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-02-15 14:03:09,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-02-15 14:03:09,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-02-15 14:03:09,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-02-15 14:03:09,918 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 14:03:09,919 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 14:03:10,720 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-15 14:03:10,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 111 treesize of output 113 [2023-02-15 14:03:10,955 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2023-02-15 14:03:10,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 14:03:10,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2023-02-15 14:03:10,990 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:03:10,997 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:03:11,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-02-15 14:03:11,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2023-02-15 14:03:11,015 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:03:11,017 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:03:11,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2023-02-15 14:03:11,034 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:03:11,036 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:03:11,038 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:03:11,047 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 142 [2023-02-15 14:03:11,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 47 [2023-02-15 14:03:11,128 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2023-02-15 14:03:11,172 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 14:03:11,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [510297834] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 14:03:11,173 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 14:03:11,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 25 [2023-02-15 14:03:11,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410169867] [2023-02-15 14:03:11,174 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 14:03:11,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-02-15 14:03:11,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 14:03:11,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-02-15 14:03:11,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2023-02-15 14:03:11,180 INFO L87 Difference]: Start difference. First operand 48 states and 54 transitions. Second operand has 26 states, 25 states have (on average 2.0) internal successors, (50), 26 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 14:03:12,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 14:03:12,800 INFO L93 Difference]: Finished difference Result 99 states and 109 transitions. [2023-02-15 14:03:12,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-02-15 14:03:12,801 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 2.0) internal successors, (50), 26 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2023-02-15 14:03:12,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 14:03:12,801 INFO L225 Difference]: With dead ends: 99 [2023-02-15 14:03:12,801 INFO L226 Difference]: Without dead ends: 98 [2023-02-15 14:03:12,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 19 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 535 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=467, Invalid=1885, Unknown=0, NotChecked=0, Total=2352 [2023-02-15 14:03:12,802 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 151 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-02-15 14:03:12,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 291 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-02-15 14:03:12,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2023-02-15 14:03:12,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 49. [2023-02-15 14:03:12,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 45 states have (on average 1.2222222222222223) internal successors, (55), 48 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 14:03:12,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2023-02-15 14:03:12,810 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 18 [2023-02-15 14:03:12,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 14:03:12,811 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2023-02-15 14:03:12,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 2.0) internal successors, (50), 26 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 14:03:12,811 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2023-02-15 14:03:12,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-02-15 14:03:12,812 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 14:03:12,812 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 14:03:12,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-02-15 14:03:13,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-02-15 14:03:13,017 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-15 14:03:13,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 14:03:13,018 INFO L85 PathProgramCache]: Analyzing trace with hash -2112995717, now seen corresponding path program 1 times [2023-02-15 14:03:13,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 14:03:13,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496939189] [2023-02-15 14:03:13,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 14:03:13,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 14:03:13,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 14:03:13,177 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-15 14:03:13,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 14:03:13,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496939189] [2023-02-15 14:03:13,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496939189] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 14:03:13,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104780550] [2023-02-15 14:03:13,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 14:03:13,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 14:03:13,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 14:03:13,184 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 14:03:13,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-15 14:03:13,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 14:03:13,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 10 conjunts are in the unsatisfiable core [2023-02-15 14:03:13,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 14:03:13,314 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-15 14:03:13,314 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 14:03:13,394 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-15 14:03:13,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104780550] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 14:03:13,395 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 14:03:13,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2023-02-15 14:03:13,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757937208] [2023-02-15 14:03:13,395 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 14:03:13,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-02-15 14:03:13,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 14:03:13,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-02-15 14:03:13,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-02-15 14:03:13,397 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 14:03:13,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 14:03:13,568 INFO L93 Difference]: Finished difference Result 117 states and 127 transitions. [2023-02-15 14:03:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-02-15 14:03:13,568 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2023-02-15 14:03:13,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 14:03:13,569 INFO L225 Difference]: With dead ends: 117 [2023-02-15 14:03:13,569 INFO L226 Difference]: Without dead ends: 90 [2023-02-15 14:03:13,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 4 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-02-15 14:03:13,570 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 104 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-15 14:03:13,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 147 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-15 14:03:13,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-02-15 14:03:13,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 59. [2023-02-15 14:03:13,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 55 states have (on average 1.2363636363636363) internal successors, (68), 58 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 14:03:13,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 68 transitions. [2023-02-15 14:03:13,579 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 68 transitions. Word has length 21 [2023-02-15 14:03:13,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 14:03:13,580 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 68 transitions. [2023-02-15 14:03:13,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 14:03:13,580 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 68 transitions. [2023-02-15 14:03:13,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-02-15 14:03:13,581 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 14:03:13,581 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 14:03:13,588 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-02-15 14:03:13,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 14:03:13,786 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-15 14:03:13,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 14:03:13,786 INFO L85 PathProgramCache]: Analyzing trace with hash 930598631, now seen corresponding path program 1 times [2023-02-15 14:03:13,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 14:03:13,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074556291] [2023-02-15 14:03:13,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 14:03:13,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 14:03:13,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 14:03:15,285 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 14:03:15,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 14:03:15,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074556291] [2023-02-15 14:03:15,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074556291] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 14:03:15,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385118993] [2023-02-15 14:03:15,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 14:03:15,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 14:03:15,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 14:03:15,289 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 14:03:15,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-15 14:03:15,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 14:03:15,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 29 conjunts are in the unsatisfiable core [2023-02-15 14:03:15,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 14:03:15,389 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-02-15 14:03:15,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2023-02-15 14:03:15,430 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 45 [2023-02-15 14:03:15,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2023-02-15 14:03:15,436 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 14:03:15,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 57 [2023-02-15 14:03:15,539 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 14:03:15,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2023-02-15 14:03:15,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 30 [2023-02-15 14:03:15,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2023-02-15 14:03:15,747 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 14:03:15,747 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 14:03:15,841 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_141 (Array Int Int))) (< 0 (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#C~0#1.base| v_ArrVal_141))) (+ 2147483649 (select (select .cse0 |c_ULTIMATE.start_main_~#A~0#1.base|) |c_ULTIMATE.start_main_~#A~0#1.offset|) (select (select .cse0 |c_ULTIMATE.start_main_~#B~0#1.base|) |c_ULTIMATE.start_main_~#B~0#1.offset|))))) is different from false [2023-02-15 14:03:15,990 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse5 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~#B~0#1.base|)) (.cse3 (* .cse5 4)) (.cse0 (<= .cse5 2147483647))) (and (or (not .cse0) (forall ((|ULTIMATE.start_main_~#B~0#1.offset| Int) (v_ArrVal_141 (Array Int Int)) (v_ArrVal_139 Int)) (or (< 0 (let ((.cse1 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#B~0#1.base| (store .cse2 (+ |ULTIMATE.start_main_~#B~0#1.offset| .cse3) v_ArrVal_139)) |c_ULTIMATE.start_main_~#C~0#1.base| v_ArrVal_141))) (+ 2147483649 (select (select .cse1 |c_ULTIMATE.start_main_~#B~0#1.base|) |ULTIMATE.start_main_~#B~0#1.offset|) (select (select .cse1 |c_ULTIMATE.start_main_~#A~0#1.base|) |c_ULTIMATE.start_main_~#A~0#1.offset|)))) (< (+ v_ArrVal_139 1000000) 0)))) (or (forall ((|ULTIMATE.start_main_~#B~0#1.offset| Int) (v_ArrVal_141 (Array Int Int)) (v_ArrVal_139 Int)) (or (< (+ v_ArrVal_139 1000000) 0) (< 0 (let ((.cse4 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#B~0#1.base| (store .cse2 (+ (- 17179869184) |ULTIMATE.start_main_~#B~0#1.offset| .cse3) v_ArrVal_139)) |c_ULTIMATE.start_main_~#C~0#1.base| v_ArrVal_141))) (+ 2147483649 (select (select .cse4 |c_ULTIMATE.start_main_~#B~0#1.base|) |ULTIMATE.start_main_~#B~0#1.offset|) (select (select .cse4 |c_ULTIMATE.start_main_~#A~0#1.base|) |c_ULTIMATE.start_main_~#A~0#1.offset|)))))) .cse0)))) is different from false [2023-02-15 14:03:16,182 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-15 14:03:16,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 517 treesize of output 513 [2023-02-15 14:03:16,241 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-15 14:03:16,242 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 464 treesize of output 424 [2023-02-15 14:04:41,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 93 [2023-02-15 14:04:41,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 125 [2023-02-15 14:04:41,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 64 [2023-02-15 14:04:41,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 44 [2023-02-15 14:04:41,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 14:04:41,180 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:04:41,181 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:04:41,182 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:04:41,185 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 14:04:41,187 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:04:41,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 14:04:41,198 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 14:04:41,200 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:04:41,203 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 14:04:41,205 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:04:41,208 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 14:04:41,210 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:04:41,215 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:04:41,217 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:04:41,218 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:04:41,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 14:04:41,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9676 treesize of output 9216 [2023-02-15 14:04:46,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 14:04:46,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 14:04:46,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 14:04:46,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 14:04:46,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 14:04:46,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 14:04:46,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 14:04:46,457 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:04:46,462 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:04:46,468 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:04:46,472 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:04:46,478 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:04:46,482 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:04:46,487 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:04:46,503 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:04:46,504 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:04:46,509 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:04:46,510 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:04:46,512 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:04:46,516 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:04:46,517 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:04:46,519 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:04:46,525 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:04:46,526 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:04:46,527 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:04:46,529 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:04:46,533 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:04:46,535 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:04:46,542 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:04:46,543 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:04:46,545 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:04:46,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 14:04:46,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4134 treesize of output 3936 [2023-02-15 14:04:46,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3997 treesize of output 3991 [2023-02-15 14:04:47,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 14:04:47,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 14:04:47,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 14:04:47,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 14:04:47,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 14:04:47,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 14:04:47,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 14:04:47,672 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:04:47,674 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:04:47,682 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:04:47,684 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:04:47,685 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:04:47,687 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:04:47,688 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:04:47,887 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2023-02-15 14:04:47,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385118993] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 14:04:47,888 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 14:04:47,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 12] total 34 [2023-02-15 14:04:47,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191793857] [2023-02-15 14:04:47,888 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 14:04:47,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-02-15 14:04:47,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 14:04:47,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-02-15 14:04:47,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=884, Unknown=8, NotChecked=126, Total=1190 [2023-02-15 14:04:47,890 INFO L87 Difference]: Start difference. First operand 59 states and 68 transitions. Second operand has 35 states, 34 states have (on average 1.911764705882353) internal successors, (65), 35 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 14:04:48,290 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (forall ((|ULTIMATE.start_main_~#B~0#1.offset| Int) (v_ArrVal_141 (Array Int Int)) (v_ArrVal_139 Int)) (or (< 0 (let ((.cse1 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#B~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#B~0#1.base|) |ULTIMATE.start_main_~#B~0#1.offset| v_ArrVal_139)) |c_ULTIMATE.start_main_~#C~0#1.base| v_ArrVal_141))) (+ 2147483649 (select (select .cse1 |c_ULTIMATE.start_main_~#A~0#1.base|) |c_ULTIMATE.start_main_~#A~0#1.offset|) (select (select .cse1 |c_ULTIMATE.start_main_~#B~0#1.base|) |ULTIMATE.start_main_~#B~0#1.offset|)))) (< (+ v_ArrVal_139 1000000) 0))))) (and .cse0 (or (not (<= 0 (+ 1000000 |c_ULTIMATE.start_main_#t~mem5#1|))) .cse0))) is different from false [2023-02-15 14:04:48,400 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse6 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse3 (* .cse6 4)) (.cse0 (<= .cse6 2147483647)) (.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~#B~0#1.base|))) (and (or (not .cse0) (forall ((|ULTIMATE.start_main_~#B~0#1.offset| Int) (v_ArrVal_141 (Array Int Int)) (v_ArrVal_139 Int)) (or (< 0 (let ((.cse1 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#B~0#1.base| (store .cse2 (+ |ULTIMATE.start_main_~#B~0#1.offset| .cse3) v_ArrVal_139)) |c_ULTIMATE.start_main_~#C~0#1.base| v_ArrVal_141))) (+ 2147483649 (select (select .cse1 |c_ULTIMATE.start_main_~#B~0#1.base|) |ULTIMATE.start_main_~#B~0#1.offset|) (select (select .cse1 |c_ULTIMATE.start_main_~#A~0#1.base|) |c_ULTIMATE.start_main_~#A~0#1.offset|)))) (< (+ v_ArrVal_139 1000000) 0)))) (or (forall ((|ULTIMATE.start_main_~#B~0#1.offset| Int) (v_ArrVal_141 (Array Int Int)) (v_ArrVal_139 Int)) (or (< (+ v_ArrVal_139 1000000) 0) (< 0 (let ((.cse4 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#B~0#1.base| (store .cse2 (+ (- 17179869184) |ULTIMATE.start_main_~#B~0#1.offset| .cse3) v_ArrVal_139)) |c_ULTIMATE.start_main_~#C~0#1.base| v_ArrVal_141))) (+ 2147483649 (select (select .cse4 |c_ULTIMATE.start_main_~#B~0#1.base|) |ULTIMATE.start_main_~#B~0#1.offset|) (select (select .cse4 |c_ULTIMATE.start_main_~#A~0#1.base|) |c_ULTIMATE.start_main_~#A~0#1.offset|)))))) .cse0) (forall ((|ULTIMATE.start_main_~#B~0#1.offset| Int) (v_ArrVal_141 (Array Int Int)) (v_ArrVal_139 Int)) (or (< 0 (let ((.cse5 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#B~0#1.base| (store .cse2 |ULTIMATE.start_main_~#B~0#1.offset| v_ArrVal_139)) |c_ULTIMATE.start_main_~#C~0#1.base| v_ArrVal_141))) (+ 2147483649 (select (select .cse5 |c_ULTIMATE.start_main_~#A~0#1.base|) |c_ULTIMATE.start_main_~#A~0#1.offset|) (select (select .cse5 |c_ULTIMATE.start_main_~#B~0#1.base|) |ULTIMATE.start_main_~#B~0#1.offset|)))) (< (+ v_ArrVal_139 1000000) 0)))))) is different from false [2023-02-15 14:04:48,509 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (forall ((v_ArrVal_141 (Array Int Int))) (< 0 (let ((.cse5 (store |c_#memory_int| |c_ULTIMATE.start_main_~#C~0#1.base| v_ArrVal_141))) (+ 2147483649 (select (select .cse5 |c_ULTIMATE.start_main_~#A~0#1.base|) |c_ULTIMATE.start_main_~#A~0#1.offset|) (select (select .cse5 |c_ULTIMATE.start_main_~#B~0#1.base|) |c_ULTIMATE.start_main_~#B~0#1.offset|))))))) (and .cse0 (or .cse0 (let ((.cse4 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~#B~0#1.base|)) (.cse2 (* .cse4 4)) (.cse3 (<= .cse4 2147483647))) (and (or (< (+ 1000000 (select .cse1 (+ |c_ULTIMATE.start_main_~#B~0#1.offset| .cse2))) 0) (not .cse3)) (or (< (+ (select .cse1 (+ |c_ULTIMATE.start_main_~#B~0#1.offset| (- 17179869184) .cse2)) 1000000) 0) .cse3))))) (or .cse0 (not (<= 0 (+ |c_ULTIMATE.start_main_#t~mem9#1| 1000000)))))) is different from false [2023-02-15 14:04:48,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 14:04:48,937 INFO L93 Difference]: Finished difference Result 92 states and 102 transitions. [2023-02-15 14:04:48,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-02-15 14:04:48,938 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 1.911764705882353) internal successors, (65), 35 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-02-15 14:04:48,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 14:04:48,939 INFO L225 Difference]: With dead ends: 92 [2023-02-15 14:04:48,939 INFO L226 Difference]: Without dead ends: 91 [2023-02-15 14:04:48,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 24 SyntacticMatches, 5 SemanticMatches, 48 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 616 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=365, Invalid=1623, Unknown=12, NotChecked=450, Total=2450 [2023-02-15 14:04:48,940 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 63 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 26 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 77 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-02-15 14:04:48,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 191 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 421 Invalid, 15 Unknown, 77 Unchecked, 0.4s Time] [2023-02-15 14:04:48,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-02-15 14:04:48,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 78. [2023-02-15 14:04:48,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 74 states have (on average 1.2027027027027026) internal successors, (89), 77 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 14:04:48,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 89 transitions. [2023-02-15 14:04:48,951 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 89 transitions. Word has length 23 [2023-02-15 14:04:48,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 14:04:48,951 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 89 transitions. [2023-02-15 14:04:48,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 34 states have (on average 1.911764705882353) internal successors, (65), 35 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 14:04:48,951 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 89 transitions. [2023-02-15 14:04:48,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-02-15 14:04:48,952 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 14:04:48,952 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 14:04:48,960 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-02-15 14:04:49,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 14:04:49,157 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-15 14:04:49,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 14:04:49,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1216213396, now seen corresponding path program 1 times [2023-02-15 14:04:49,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 14:04:49,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037650488] [2023-02-15 14:04:49,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 14:04:49,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 14:04:49,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 14:04:50,171 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-15 14:04:50,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 14:04:50,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037650488] [2023-02-15 14:04:50,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037650488] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 14:04:50,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613501440] [2023-02-15 14:04:50,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 14:04:50,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 14:04:50,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 14:04:50,173 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 14:04:50,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-15 14:04:50,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 14:04:50,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 31 conjunts are in the unsatisfiable core [2023-02-15 14:04:50,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 14:04:50,236 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-02-15 14:04:50,237 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2023-02-15 14:04:50,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-02-15 14:04:50,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-02-15 14:04:50,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2023-02-15 14:04:50,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-02-15 14:04:50,543 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 14:04:50,543 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 14:04:50,627 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_180 (Array Int Int))) (< (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#C~0#1.base| v_ArrVal_180))) (+ (select (select .cse0 |c_ULTIMATE.start_main_~#B~0#1.base|) |c_ULTIMATE.start_main_~#B~0#1.offset|) (select (select .cse0 |c_ULTIMATE.start_main_~#A~0#1.base|) |c_ULTIMATE.start_main_~#A~0#1.offset|))) 2147483648)) is different from false [2023-02-15 14:04:50,757 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse5 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~#B~0#1.base|)) (.cse3 (* .cse5 4)) (.cse0 (<= .cse5 2147483647))) (and (or (not .cse0) (forall ((v_ArrVal_180 (Array Int Int)) (v_ArrVal_178 Int) (|ULTIMATE.start_main_~#B~0#1.offset| Int)) (or (< (let ((.cse1 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#B~0#1.base| (store .cse2 (+ |ULTIMATE.start_main_~#B~0#1.offset| .cse3) v_ArrVal_178)) |c_ULTIMATE.start_main_~#C~0#1.base| v_ArrVal_180))) (+ (select (select .cse1 |c_ULTIMATE.start_main_~#B~0#1.base|) |ULTIMATE.start_main_~#B~0#1.offset|) (select (select .cse1 |c_ULTIMATE.start_main_~#A~0#1.base|) |c_ULTIMATE.start_main_~#A~0#1.offset|))) 2147483648) (< 1000000 v_ArrVal_178)))) (or (forall ((v_ArrVal_180 (Array Int Int)) (v_ArrVal_178 Int) (|ULTIMATE.start_main_~#B~0#1.offset| Int)) (or (< 1000000 v_ArrVal_178) (< (let ((.cse4 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#B~0#1.base| (store .cse2 (+ (- 17179869184) |ULTIMATE.start_main_~#B~0#1.offset| .cse3) v_ArrVal_178)) |c_ULTIMATE.start_main_~#C~0#1.base| v_ArrVal_180))) (+ (select (select .cse4 |c_ULTIMATE.start_main_~#B~0#1.base|) |ULTIMATE.start_main_~#B~0#1.offset|) (select (select .cse4 |c_ULTIMATE.start_main_~#A~0#1.base|) |c_ULTIMATE.start_main_~#A~0#1.offset|))) 2147483648))) .cse0)))) is different from false [2023-02-15 14:04:50,876 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-15 14:04:50,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 339 treesize of output 339 [2023-02-15 14:04:50,902 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-15 14:04:50,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 290 treesize of output 266 [2023-02-15 14:05:19,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 175 treesize of output 169 [2023-02-15 14:05:19,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2023-02-15 14:05:19,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 14:05:19,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 14:05:19,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 14:05:19,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 14:05:19,534 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2506 treesize of output 2418 [2023-02-15 14:05:19,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2491 treesize of output 2481 [2023-02-15 14:05:20,877 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:05:20,879 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:05:20,881 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:05:20,885 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:05:20,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2023-02-15 14:05:20,897 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:05:20,898 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:05:20,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 14:05:20,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2023-02-15 14:05:20,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 14:05:20,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2023-02-15 14:05:20,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-02-15 14:05:20,933 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:05:20,935 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:05:20,937 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:05:20,939 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:05:20,941 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:05:20,949 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:05:20,955 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:05:20,958 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:05:20,971 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:05:20,975 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:05:20,977 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:05:21,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1291 treesize of output 1145 [2023-02-15 14:05:21,039 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1243 treesize of output 1229 [2023-02-15 14:05:21,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3009 treesize of output 2901 [2023-02-15 14:05:22,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 115 [2023-02-15 14:05:22,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 58 [2023-02-15 14:05:23,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 14:05:23,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 14:05:23,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 14:05:23,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 14:05:23,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 14:05:23,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 14:05:23,177 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1389 treesize of output 1229 [2023-02-15 14:05:23,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 14:05:23,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 14:05:23,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2023-02-15 14:05:23,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 14:05:23,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 14:05:23,493 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 14:05:23,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2023-02-15 14:05:23,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 14:05:23,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 40 [2023-02-15 14:05:23,512 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:05:23,517 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:05:23,522 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 14:05:23,525 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:05:23,533 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:05:23,535 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:05:23,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 14:05:23,541 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 14:05:23,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 14:05:23,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 14:05:23,574 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 14:05:23,584 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:05:23,769 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2023-02-15 14:05:23,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [613501440] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 14:05:23,769 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 14:05:23,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 10] total 24 [2023-02-15 14:05:23,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738223193] [2023-02-15 14:05:23,769 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 14:05:23,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-02-15 14:05:23,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 14:05:23,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-02-15 14:05:23,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=427, Unknown=6, NotChecked=86, Total=600 [2023-02-15 14:05:23,771 INFO L87 Difference]: Start difference. First operand 78 states and 89 transitions. Second operand has 25 states, 24 states have (on average 2.75) internal successors, (66), 25 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 14:05:37,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 14:05:37,135 INFO L93 Difference]: Finished difference Result 98 states and 107 transitions. [2023-02-15 14:05:37,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-02-15 14:05:37,135 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 2.75) internal successors, (66), 25 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2023-02-15 14:05:37,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 14:05:37,136 INFO L225 Difference]: With dead ends: 98 [2023-02-15 14:05:37,136 INFO L226 Difference]: Without dead ends: 71 [2023-02-15 14:05:37,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 33 SyntacticMatches, 9 SemanticMatches, 45 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 598 ImplicationChecksByTransitivity, 13.5s TimeCoverageRelationStatistics Valid=407, Invalid=1575, Unknown=6, NotChecked=174, Total=2162 [2023-02-15 14:05:37,137 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 204 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 45 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 114 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-15 14:05:37,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 150 Invalid, 501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 339 Invalid, 3 Unknown, 114 Unchecked, 0.3s Time] [2023-02-15 14:05:37,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-02-15 14:05:37,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 65. [2023-02-15 14:05:37,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 61 states have (on average 1.2131147540983607) internal successors, (74), 64 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 14:05:37,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 74 transitions. [2023-02-15 14:05:37,147 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 74 transitions. Word has length 24 [2023-02-15 14:05:37,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 14:05:37,148 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 74 transitions. [2023-02-15 14:05:37,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 2.75) internal successors, (66), 25 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 14:05:37,148 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 74 transitions. [2023-02-15 14:05:37,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-02-15 14:05:37,149 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 14:05:37,149 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 14:05:37,160 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-02-15 14:05:37,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 14:05:37,357 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-15 14:05:37,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 14:05:37,357 INFO L85 PathProgramCache]: Analyzing trace with hash 747240709, now seen corresponding path program 2 times [2023-02-15 14:05:37,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 14:05:37,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34386276] [2023-02-15 14:05:37,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 14:05:37,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 14:05:37,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 14:05:39,112 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 14:05:39,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 14:05:39,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34386276] [2023-02-15 14:05:39,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34386276] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 14:05:39,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513250280] [2023-02-15 14:05:39,113 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-15 14:05:39,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 14:05:39,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 14:05:39,114 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 14:05:39,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-02-15 14:05:39,179 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-15 14:05:39,179 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 14:05:39,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 41 conjunts are in the unsatisfiable core [2023-02-15 14:05:39,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 14:05:39,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-02-15 14:05:39,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 45 [2023-02-15 14:05:39,225 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 14:05:39,229 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2023-02-15 14:05:39,362 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 52 [2023-02-15 14:05:39,370 INFO L321 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2023-02-15 14:05:39,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 97 [2023-02-15 14:05:39,376 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 14:05:39,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 66 [2023-02-15 14:05:39,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2023-02-15 14:05:39,609 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 14:05:39,809 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 73 [2023-02-15 14:05:39,823 INFO L321 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2023-02-15 14:05:39,823 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 97 [2023-02-15 14:05:39,842 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 14:05:40,091 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-15 14:05:40,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 27 [2023-02-15 14:05:40,123 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 14:05:40,124 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 14:05:47,140 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-15 14:05:47,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 158 treesize of output 160 [2023-02-15 14:05:47,469 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 63 [2023-02-15 14:05:47,484 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2023-02-15 14:05:47,494 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:05:47,495 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:05:47,498 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:05:47,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 316 treesize of output 314 [2023-02-15 14:05:47,575 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 380 treesize of output 376 [2023-02-15 14:05:47,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 86 [2023-02-15 14:05:47,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 148 [2023-02-15 14:05:47,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 316 treesize of output 314 [2023-02-15 14:05:47,762 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:05:47,764 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:05:47,765 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:05:47,767 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:05:47,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 14:05:47,772 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 14:05:47,773 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 14:05:47,773 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 14:05:47,776 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:05:47,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 86 [2023-02-15 14:05:47,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 14:05:47,802 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 14:05:47,805 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:05:47,807 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:05:47,811 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:05:47,813 WARN L207 Elim1Store]: Array PQE input equivalent to true [2023-02-15 14:05:47,893 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 14:05:47,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1513250280] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 14:05:47,893 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 14:05:47,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 19] total 51 [2023-02-15 14:05:47,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435914235] [2023-02-15 14:05:47,894 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 14:05:47,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2023-02-15 14:05:47,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 14:05:47,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2023-02-15 14:05:47,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=443, Invalid=2208, Unknown=1, NotChecked=0, Total=2652 [2023-02-15 14:05:47,896 INFO L87 Difference]: Start difference. First operand 65 states and 74 transitions. Second operand has 52 states, 51 states have (on average 1.392156862745098) internal successors, (71), 52 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 14:06:09,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 14:06:09,319 INFO L93 Difference]: Finished difference Result 122 states and 133 transitions. [2023-02-15 14:06:09,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2023-02-15 14:06:09,320 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 51 states have (on average 1.392156862745098) internal successors, (71), 52 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2023-02-15 14:06:09,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 14:06:09,321 INFO L225 Difference]: With dead ends: 122 [2023-02-15 14:06:09,321 INFO L226 Difference]: Without dead ends: 121 [2023-02-15 14:06:09,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 15 SyntacticMatches, 2 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3404 ImplicationChecksByTransitivity, 26.2s TimeCoverageRelationStatistics Valid=2057, Invalid=9497, Unknown=2, NotChecked=0, Total=11556 [2023-02-15 14:06:09,324 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 279 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 969 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 1101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 969 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-02-15 14:06:09,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 290 Invalid, 1101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 969 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-02-15 14:06:09,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-02-15 14:06:09,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 76. [2023-02-15 14:06:09,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 72 states have (on average 1.2083333333333333) internal successors, (87), 75 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 14:06:09,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 87 transitions. [2023-02-15 14:06:09,339 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 87 transitions. Word has length 25 [2023-02-15 14:06:09,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 14:06:09,339 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 87 transitions. [2023-02-15 14:06:09,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 51 states have (on average 1.392156862745098) internal successors, (71), 52 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 14:06:09,339 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 87 transitions. [2023-02-15 14:06:09,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-02-15 14:06:09,340 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 14:06:09,340 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 14:06:09,345 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-02-15 14:06:09,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 14:06:09,545 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-15 14:06:09,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 14:06:09,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1689625596, now seen corresponding path program 2 times [2023-02-15 14:06:09,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 14:06:09,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739654484] [2023-02-15 14:06:09,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 14:06:09,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 14:06:09,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 14:06:11,024 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 14:06:11,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 14:06:11,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739654484] [2023-02-15 14:06:11,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739654484] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 14:06:11,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [394140449] [2023-02-15 14:06:11,024 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-15 14:06:11,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 14:06:11,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 14:06:11,026 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 14:06:11,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-02-15 14:06:11,091 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-15 14:06:11,091 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 14:06:11,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 38 conjunts are in the unsatisfiable core [2023-02-15 14:06:11,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 14:06:11,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-02-15 14:06:11,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 45 [2023-02-15 14:06:11,134 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 14:06:11,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2023-02-15 14:06:11,245 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-02-15 14:06:11,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 62 [2023-02-15 14:06:11,373 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 14:06:11,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2023-02-15 14:06:11,549 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-15 14:06:11,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2023-02-15 14:06:11,779 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-15 14:06:11,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 19 [2023-02-15 14:06:11,812 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 14:06:11,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 14:06:27,947 WARN L233 SmtUtils]: Spent 10.76s on a formula simplification. DAG size of input: 84 DAG size of output: 72 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-02-15 14:06:29,758 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-15 14:06:29,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 154 treesize of output 156 [2023-02-15 14:06:30,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23539 treesize of output 23407